ddd ddi ddm ddn ddo ddp ddr dds di- did dii dim din dio dip dir dis dmd dmi dmm dmn dmo dmp dmr dms dnd dni dnm dnn dno dnp dnr dns dod doi dom don doo dop dor dos dpd dpi dpm dpn dpo dpp dpr dps drd dri drm drn dro drp drr drs dsd dsi dsm dsn dso dsp dsr dss i-d idd idi idm idn ido idp idr ids iid iii iim iin iio iip iir iis im- imd imi imm imn imo imp ims in- ind ini inm inn ino inp inr ins io- iod ioi iom ion ioo iop ior ios ipd ipi ipm ipn ipo ipp ipr ips ir- ird iri irm irn iro irp irr irs is- isd isi ism isn iso isp isr iss m-o m-r mdd mdi mdm mdn mdo mdp mdr mds mi- mid mii mim min mio mip mir mis mmd mmi mmm mmn mmo mmp mmr mms mni mnm mnn mno mnp mnr mns mod moi mom mon moo mop mor mos mpd mpi mpm mpn mpo mpp mpr mps mrd mri mrm mrn mro mrp mrr mrs msd msi msm msn mso msp msr mss n-i ndd ndi ndm ndn ndo ndp ndr nds nid nii nim nin nio nip nir nis nmd nmi nmm nmn nmo nmp nmr nms nni nnm nnn nno nnp nns no- nod noi nom non noo nop nor nos npd npi npm npn npo npp npr nps nrd nri nrm nrn nro nrp nrr nrs nsd nsi nsm nsn nso nsp nsr nss o-i odd odi odm odn odo odp odr ods oid oii oim oin oio oip oir ois om- omd omi omm omn omo omp omr oms on- ond oni onn ono onp onr ons oo- ood ooi oom oon ooo oop oor oos op- opd opi opm opn opo opp opr ops or- ord ori orm orn oro orp orr ors os- osd osi osm osn oso osp osr oss p-p pdd pdi pdm pdn pdo pdp pdr pds pid pii pim pin pio pip pir pis pmd pmi pmm pmn pmo pmp pmr pms pn- pnd pni pnm pnn pno pnp pnr pns pod poi pom pon poo pop por pos ppd ppi ppm ppn ppo ppp ppr pps prd pri prm prn pro prp prr prs ps- psd psi psm psn pso psp psr pss rdd rdi rdm rdn rdo rdp rdr rds rid rii rim rin rio rip rir ris rmd rmi rmm rmn rmo rmp rmr rms rnd rni rnm rnn rno rnp rnr rns rod roi rom ron roo rop ror ros rpd rpi rpm rpn rpo rpp rpr rps rrd rri rrm rrn rrp rrr rrs rsd rsi rsm rsn rso rsp rsr rss sdd sdi sdm sdn sdo sdp sdr sds sid sii sim sin sio sip sir sis smd smi smm smn smo smp smr sms snd sni snm snn sno snp snr sns sod soi som son soo sop sor sos spd spi spm spn spo spp spr sps sr- srd sri srm srn sro srp srr srs ss- ssd ssi ssm ssn sso ssp ssr sss